Problem installing R 2.12.1 on Mac OS X Yosemite 10.10.5

On Jan 11, 2017, at 10:20 PM, David Winsemius <dwinsemius at comcast.net> wrote:

On Jan 11, 2017, at 4:15 PM, Florence Lui <floorrinse at gmail.com> wrote:

I'm trying to download version 2.12.1 of R in order for it to be compatible
with the version of SPSS I have on my computer (SPSS V. 20), so that I can
install the Essentials for R plugin for SPSS.

However, when I try to install this version of R, I get a popup saying it
can't be installed because it requires Mac OS X 10.5 or higher (see
attached).

I suspect that there is code that does a comparison of the character version of your numeric version of OSX and finds that it is less than "10.5" since if you do that comparison at your console you will see 

"10.10" < "10.5"

[1] TRUE

But I do have a higher operating system--Mac OS X Yosemite
10.10.5.

Any idea what might be wrong?

I suspect this has been discussed with in the past. Search the Archives of the R-SIG-Mac mailing list (which would have been the correct place to post this question in the first place.) I have vague memory that such a request appeared in the not so distant past.

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